The Romans, accordingly, heaped up mounds against the outer wall, brought up painter engines, joined battle with all who sallied forth to fight and repulsed them, and with their slings and arrows kept back all the defenders of the wall; for they had many slingers and bowmen that had been sent by some of the barbarian kings.
Edition :
Dio's Roman History. Cassius Dio Cocceianus. Earnest Cary. Herbert Baldwin Foster. William Heinemann, Harvard University Press. London; New York. 1914-.